[1] Department of Surgical Oncology,
[2] University General Hospital of Herakleion,undefined
[3] GR-711 10 Herakleion,undefined
[4] Crete,undefined
[5] Greece,undefined
[6] Intensive Care Unit,undefined
[7] University General Hospital,undefined
[8] GR-711 10 Herakleion,undefined
[9] Crete,undefined
[10] Greece e-mail: georgop@med.uch.gr Tel.: + 30-81-39 26 36 Fax: + 30-81-39 26 36,undefined